Shimano UN300 68 x 127.5 Square Taper Bottom Bracket

Product Description

Reliable Shimano Performance

The Shimano UN300 square taper bottom bracket is designed for dependable everyday performance across a wide range of bikes. Ideal for touring, city, road, and older MTB setups using traditional square taper chainsets.

Smooth Cartridge Bearing Design

• Sealed cartridge bearing construction
• Smooth and reliable pedalling performance
• Built for long-lasting durability

Durable Construction

• Square taper JIS interface
• Alloy bottom bracket cups
• Designed for traditional square mount chainsets

Wide Compatibility

• Suitable for touring and city bikes
• Compatible with older road and mountain bike cranksets
• BSA English threaded fitment

Specifications

• Shell Width: 68mm
• Thread: BSA English 1.370" x 24tpi
• MPN: BBUN300B27

Versatile Everyday Use

A dependable replacement bottom bracket for riders looking for smooth operation and trusted Shimano quality.